AT89S51 has low power consumption, 8-bit CMOS microcontroller with 4K bytes of Flash memory ISP (In System Programmable / can be programmed in the system). In the images shown physical shape and configuration of a microcontroller pin AT89Sxx series. Figure 13 Microcontroller DESCRIPTION PIN: Supply Voltage VCC on pin 40 GND Ground on pin 20 Port0 on pin 32 to ...
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